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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 140 | * |
| 141 | * @param string $feed_type The type of feed. rss2 | atom | rss | rdf |
| 142 | */ |
| 143 | function get_the_content_feed($feed_type = null) { |
| 144 | if ( !$feed_type ) |
| 145 | $feed_type = get_default_feed(); |
| 146 | |
| 147 | $content = apply_filters('the_content', get_the_content()); |
| 148 | $content = str_replace(']]>', ']]>', $content); |
| 149 | return apply_filters('the_content_feed', $content, $feed_type); |
| 150 | } |
| 151 | |
| 152 | /** |
| 153 | * Display the post content for feeds. |
| 154 | * |
| 155 | * @package WordPress |
| 156 | * @subpackage Feed |
| 157 | * @since 2.9.0 |
| 158 | * @uses apply_filters() Calls 'the_content_feed' on the content before processing. |